Home / 76,221.94-114,314.46-31,824.58

Finding the Fourth Proportional to 76,221.94, 114,314.46 and 31,824.58

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Solution

The fourth proportional to 76,221.94, 114,314.46 and 31,824.58 is: 47,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.94 : 114,314.46 = 31,824.58 : x
  2. Step 2: Convert to fraction form
    76,221.94/114,314.46 = 31,824.58/x
  3. Step 3: Cross multiply
    76,221.94x = 114,314.46 × 31,824.58
  4. Step 4: Simplify right side
    76,221.94x = 3,638,009,677.43
  5. Step 5: Solve for x
    x = 3,638,009,677.43/76,221.94
  6. Step 6: Final answer
    x = 47,729.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.